Bird feeder



FIG. 1 is a front elevational view of the bird feeder of the present invention, the rear elevational view being a mirror image thereof;

FIG. 2 is a left side elevational view of the bird feeder of FIG. 1, the right side elevational view being a mirror image thereof;

FIG. 3 is a top plan view of the bird feeder of FIG. 1; and,

FIG. 4 is a bottom plan view of the bird feeder of FIG. 1. 

The ornamental design for a bird feeder, as shown and described. 